from fastapi import APIRouter, Depends, Form, Request
from fastapi.responses import RedirectResponse

from anode_client import anode_request
from auth import require_admin
from templating import templates


router = APIRouter(prefix="/admin/technik")


@router.get("")
def index(user: dict = Depends(require_admin)):
    return RedirectResponse("/admin/technik/merkmale", status_code=303)


# --- Merkmale ---

@router.get("/merkmale")
def merkmale_liste(request: Request, user: dict = Depends(require_admin)):
    merkmale_result = anode_request("GET", "/api/v1/merkmale")
    merkmale = merkmale_result.get("merkmale", []) if merkmale_result.get("success") else []

    kategorien_result = anode_request("GET", "/api/v1/kategorien")
    kategorien = kategorien_result.get("kategorien", []) if kategorien_result.get("success") else []

    return templates.TemplateResponse(
        request,
        "admin/technik_merkmale.html",
        {"user": user, "merkmale": merkmale, "kategorien": kategorien},
    )


@router.post("/merkmale")
def merkmal_anlegen(
    key: str = Form(...), name: str = Form(...), description: str = Form(default=""),
    user: dict = Depends(require_admin),
):
    anode_request(
        "POST", "/api/v1/merkmale",
        json={"key": key, "name": name, "description": description or None},
    )

    return RedirectResponse("/admin/technik/merkmale", status_code=303)


@router.post("/merkmale/{merkmal_id}")
def merkmal_aktualisieren(
    merkmal_id: str,
    name: str = Form(...),
    description: str = Form(default=""),
    kategorie_id: str = Form(default=""),
    im_auftragskatalog: str = Form(default=""),
    user: dict = Depends(require_admin),
):
    anode_request(
        "PATCH", f"/api/v1/merkmale/{merkmal_id}",
        json={
            "name": name,
            "description": description or None,
            "kategorie_id": kategorie_id or None,
            "im_auftragskatalog": im_auftragskatalog == "on",
        },
    )

    return RedirectResponse("/admin/technik/merkmale", status_code=303)


# --- Kategorien ---

@router.get("/kategorien")
def kategorien_liste(request: Request, user: dict = Depends(require_admin)):
    result = anode_request("GET", "/api/v1/kategorien")
    kategorien = result.get("kategorien", []) if result.get("success") else []

    return templates.TemplateResponse(
        request, "admin/technik_kategorien.html", {"user": user, "kategorien": kategorien}
    )


@router.post("/kategorien")
def kategorie_anlegen(
    key: str = Form(...), name: str = Form(...), description: str = Form(default=""),
    sort_order: int = Form(default=0), user: dict = Depends(require_admin),
):
    anode_request(
        "POST", "/api/v1/kategorien",
        json={"key": key, "name": name, "description": description or None, "sort_order": sort_order},
    )

    return RedirectResponse("/admin/technik/kategorien", status_code=303)


# --- Workspaces ---

@router.get("/workspaces")
def workspaces_liste(request: Request, user: dict = Depends(require_admin)):
    result = anode_request("GET", "/api/v1/workspaces")
    workspaces = result.get("workspaces", []) if result.get("success") else []

    orgs_result = anode_request("GET", "/api/v1/organizations")
    organizations = orgs_result.get("organizations", []) if orgs_result.get("success") else []

    return templates.TemplateResponse(
        request,
        "admin/technik_workspaces.html",
        {"user": user, "workspaces": workspaces, "organizations": organizations},
    )


@router.post("/workspaces")
def workspace_anlegen(
    key: str = Form(...), name: str = Form(...), description: str = Form(default=""),
    organization_id: str = Form(default=""), user: dict = Depends(require_admin),
):
    anode_request(
        "POST", "/api/v1/workspaces",
        json={
            "key": key, "name": name, "description": description or None,
            "organization_id": organization_id or None,
        },
    )

    return RedirectResponse("/admin/technik/workspaces", status_code=303)


@router.get("/workspaces/{workspace_id}")
def workspace_detail(request: Request, workspace_id: str, user: dict = Depends(require_admin)):
    result = anode_request("GET", f"/api/v1/workspaces/{workspace_id}")
    workspace = result.get("workspace") if result.get("success") else None

    merkmale_result = anode_request("GET", "/api/v1/merkmale")
    alle_merkmale = merkmale_result.get("merkmale", []) if merkmale_result.get("success") else []

    komponierte_ids = {m["id"] for m in workspace["merkmale"]} if workspace else set()
    verfuegbare_merkmale = [m for m in alle_merkmale if m["id"] not in komponierte_ids]

    return templates.TemplateResponse(
        request,
        "admin/technik_workspace_detail.html",
        {
            "user": user,
            "workspace": workspace,
            "workspace_id": workspace_id,
            "verfuegbare_merkmale": verfuegbare_merkmale,
        },
    )


@router.post("/workspaces/{workspace_id}/merkmale")
def workspace_merkmal_hinzufuegen(
    workspace_id: str, merkmal_id: str = Form(...), user: dict = Depends(require_admin)
):
    anode_request("POST", f"/api/v1/workspaces/{workspace_id}/merkmale/{merkmal_id}")

    return RedirectResponse(f"/admin/technik/workspaces/{workspace_id}", status_code=303)


@router.post("/workspaces/{workspace_id}/merkmale/{merkmal_id}/entfernen")
def workspace_merkmal_entfernen(
    workspace_id: str, merkmal_id: str, user: dict = Depends(require_admin)
):
    anode_request("DELETE", f"/api/v1/workspaces/{workspace_id}/merkmale/{merkmal_id}")

    return RedirectResponse(f"/admin/technik/workspaces/{workspace_id}", status_code=303)


# --- Backends / Blueprints (nur Anzeige) ---

@router.get("/backends")
def backends_liste(request: Request, user: dict = Depends(require_admin)):
    backends_result = anode_request("GET", "/api/v1/backends")
    backends = backends_result.get("backends", []) if backends_result.get("success") else []

    blueprints_result = anode_request("GET", "/api/v1/blueprints")
    blueprints = blueprints_result.get("blueprints", []) if blueprints_result.get("success") else []

    return templates.TemplateResponse(
        request,
        "admin/technik_backends.html",
        {"user": user, "backends": backends, "blueprints": blueprints},
    )